Card 14 / 20: What happens to ADH and oxytocin once it reaches the posterior pituitary?
A.)
It is stored in the cells of the posterior pituitary gland.
B.)
It is stored in nerve endings until released.
C.)
It rapidly diffuses into the systemic circulation.
Answer:
B.) It is stored in nerve endings until released.
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Nerve impulses trigger the release of these hormones from the nerve terminals. In that way the amount and time of release can be carefully controlled. The arrow is on the supraoptic nucleus.
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